Clockwork Lockdown

Practise chess coordinates in Clockwork Lockdown. Find wind-up automatons and call their squares. Start with free, no-clock Learn, then try timed defence.

Free play needs no account. Garden Raid, Square Sprint and Daily Sprint are free; Clockwork Lockdown, Relic Runner and Dropstrike include free learning modes and opening levels. An optional US$9.99 one-time Arcade Pass unlocks more levels and modes. No subscription.

Choose a game

Square Sprint: an optional 60-second chess coordinates test